期刊
PHYTOCHEMISTRY
卷 131, 期 -, 页码 26-43出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.phytochem.2016.08.006
关键词
R2R3-type MYB; R3-type MYB; bHLH; WD40; Phenylpropanoid; Lignin; Flavonoid; Glucosinolate; Myrosin idioblast; Guard cells in stomata; Laticifer
资金
- NCATS NIH HHS [UL1 TR001863] Funding Source: Medline
- NIGMS NIH HHS [T32 GM007499] Funding Source: Medline
Plants are unrivaled in the natural world in both the number and complexity of secondary metabolites they produce, and the ubiquitous phenylpropanoids and the lineage-specific glucosinolates represent two such large and chemically diverse groups. Advances in genome-enabled biochemistry and metabolomic technologies have greatly increased the understanding of their metabolic networks in diverse plant species. There also has been some progress in elucidating the gene regulatory networks that are key to their synthesis, accumulation and function. This review highlights what is currently known about the gene regulatory networks and the stable sub-networks of transcription factors at their cores that regulate the production of these plant secondary metabolites and the differentiation of specialized cell types that are equally important to their defensive function. Remarkably, some of these core components are evolutionarily conserved between secondary metabolism and specialized cell development and across distantly related plant species. These findings suggest that the more ancient gene regulatory networks for the differentiation of fundamental cell types may have been recruited and remodeled for the generation of the vast majority of plant secondary metabolites and their specialized tissues. (C) 2016 Elsevier Ltd. All rights reserved.
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